10 files changed, 62 insertions, 4 deletions
diff --git a/tests/basics/struct1.py b/tests/basics/struct1.py
index b114a789b5..c3049c55d6 100644
--- a/tests/basics/struct1.py
+++ b/tests/basics/struct1.py
@@ -21,3 +21,7 @@ print(struct.calcsize("100sI"))
 print(struct.calcsize("97sI"))
 print(struct.unpack("<6sH", b"foo\0\0\0\x12\x34"))
 print(struct.pack("<6sH", b"foo", 10000))
+
+s = struct.pack("BHBI", 10, 100, 200, 300)
+v = struct.unpack("BHBI", s)
+print(v == (10, 100, 200, 300))
diff --git a/tests/misc/recursion.py b/tests/misc/recursion.py
new file mode 100644
index 0000000000..227f48396a
--- /dev/null
+++ b/tests/misc/recursion.py
@@ -0,0 +1,7 @@
+def foo():
+    foo()
+
+try:
+    foo()
+except RuntimeError:
+    print("RuntimeError")
diff --git a/tests/misc/recursive_data.py_ b/tests/misc/recursive_data.py_
new file mode 100644
index 0000000000..6a52a3c0e8
--- /dev/null
+++ b/tests/misc/recursive_data.py_
@@ -0,0 +1,9 @@
+# This tests that printing recursive data structure doesn't lead to segfault.
+# Unfortunately, print() so far doesn't support "file "kwarg, so variable-len
+# output of this test cannot be redirected, and this test cannot be validated.
+l = [1, 2, 3, None]
+l[-1] = l
+try:
+    print(l)
+except RuntimeError:
+    print("RuntimeError")
diff --git a/tests/run-tests b/tests/run-tests
index 8f5f7d470d..c6bc4020d4 100755
--- a/tests/run-tests
+++ b/tests/run-tests
@@ -88,10 +88,10 @@ def run_tests(pyb, tests):
             rm_f(filename_expected)
             rm_f(filename_mupy)
         else:
-            with open(filename_expected, "w") as f:
-                f.write(str(output_expected, "ascii"))
-            with open(filename_mupy, "w") as f:
-                f.write(str(output_mupy, "ascii"))
+            with open(filename_expected, "wb") as f:
+                f.write(output_expected)
+            with open(filename_mupy, "wb") as f:
+                f.write(output_mupy)
             print("FAIL ", test_file)
             failed_tests.append(test_name)
 
diff --git a/tests/unicode/data/utf-8_1.txt b/tests/unicode/data/utf-8_1.txt
new file mode 100644
index 0000000000..d84c480d1d
--- /dev/null
+++ b/tests/unicode/data/utf-8_1.txt
@@ -0,0 +1 @@
+Привет
diff --git a/tests/unicode/file1.py b/tests/unicode/file1.py
new file mode 100644
index 0000000000..554e886743
--- /dev/null
+++ b/tests/unicode/file1.py
@@ -0,0 +1,4 @@
+f = open("unicode/data/utf-8_1.txt")
+l = f.readline()
+print(l)
+print(len(l))
diff --git a/tests/unicode/unicode.py b/tests/unicode/unicode.py
new file mode 100644
index 0000000000..c7e523f06a
--- /dev/null
+++ b/tests/unicode/unicode.py
@@ -0,0 +1,18 @@
+# Test a UTF-8 encoded literal
+s = "asdf©qwer"
+for i in range(len(s)):
+    print("s[%d]: %s   %X"%(i, s[i], ord(s[i])))
+
+# Test all three forms of Unicode escape, and
+# all blocks of UTF-8 byte patterns
+s = "a\xA9\xFF\u0123\u0800\uFFEE\U0001F44C"
+for i in range(-len(s), len(s)):
+    print("s[%d]: %s   %X"%(i, s[i], ord(s[i])))
+    print("s[:%d]: %d chars, '%s'"%(i, len(s[:i]), s[:i]))
+    for j in range(i, len(s)):
+        print("s[%d:%d]: %d chars, '%s'"%(i, j, len(s[i:j]), s[i:j]))
+    print("s[%d:]: %d chars, '%s'"%(i, len(s[i:]), s[i:]))
+
+# Test UTF-8 encode and decode
+enc = s.encode()
+print(enc, enc.decode() == s)
diff --git a/tests/unicode/unicode_index.py b/tests/unicode/unicode_index.py
new file mode 100644
index 0000000000..3c31468a41
--- /dev/null
+++ b/tests/unicode/unicode_index.py
@@ -0,0 +1,6 @@
+print("Привет".find("т"))
+print("Привет".find("П"))
+print("Привет".rfind("т"))
+print("Привет".rfind("П"))
+print("Привет".index("т"))
+print("Привет".index("П"))
diff --git a/tests/unicode/unicode_iter.py b/tests/unicode/unicode_iter.py
new file mode 100644
index 0000000000..f08a4aceed
--- /dev/null
+++ b/tests/unicode/unicode_iter.py
@@ -0,0 +1,4 @@
+for c in "Hello":
+    print(c)
+for c in "Привет":
+    print(c)
diff --git a/tests/unicode/unicode_pos.py b/tests/unicode/unicode_pos.py
new file mode 100644
index 0000000000..6a5982920a
--- /dev/null
+++ b/tests/unicode/unicode_pos.py
@@ -0,0 +1,5 @@
+# str methods with explicit start/end pos
+print("Привет".startswith("П"))
+print("Привет".startswith("р", 1))
+print("абвба".find("а", 1))
+print("абвба".find("а", 1, -1))